<nz-layout class="layout">
  <nz-header><app-header></app-header></nz-header>
  <nz-layout>
    <nz-sider><app-sidebar></app-sidebar></nz-sider>
    <nz-layout>
      <nz-breadcrumb>
        <app-breadcrumb></app-breadcrumb>
      </nz-breadcrumb>
      <nz-content>
        <div class="main-container">
          <router-outlet></router-outlet>
        </div>
      </nz-content>
    </nz-layout>
  </nz-layout>

</nz-layout>